If you used the multifeeder (manual feeding) during machine installation or after along period of not using it, pick-up may fail. If such is the case, peel the protectionsheet from the sponge roller, and dry wipe the surface of the sponge roller.3. Installing the Pick-Up RollerInstall the pick-up roller by reversing the steps used to remove it with the following inmind:• The pick-up roller used at the front and that used at the rear are NOT interchangeable.• The collar on the pick-up roller to be used at the front is silver in color.When installing the pick-up roller q to the pick-up assembly, be sure to orient it sothat the round marking w on the collar (silver) is toward the front of the copier.q Pick-up rollerw Marking (collar)Figure 5-803qwDirection ofrotationCollar (silver) Front (copier)COPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 5 PICK-UP/FEEDING SYSTEM5-62Caution:Download service manual and resetter printer at http://printer1.blogspot.com